/* ASYST — asystbiz.com. Black and white only. Greys exist solely as transparency of the two. */
:root {
  --bg: #fff; --fg: #000; --fg-rgb: 0,0,0;
  --hair: rgba(var(--fg-rgb), .16); --mute: rgba(var(--fg-rgb), .6);
  --gutter: clamp(20px, 5vw, 72px);
  --serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 300 1.05rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body.lock { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 1px dashed currentColor; outline-offset: 5px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: #fff; color: #000; padding: 8px 14px; }
.skip:focus { left: 8px; }
.wrap { width: min(100%, 1280px); margin-inline: auto; }

/* type */
.label { font: 500 .7rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; margin: 0 0 1.6rem; }
.label span { opacity: .55; }
.display { font: 400 clamp(3.2rem, 9vw, 9rem)/.94 var(--serif); letter-spacing: -.025em; margin: 0 0 1.6rem; }
.display.big { font-size: clamp(2.8rem, 7.2vw, 7rem); }
.display.huge { font-size: clamp(3.4rem, 10vw, 10rem); }
.display em, .act-copy h2 em, .panel h2 em { font-style: italic; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--mute); max-width: 34rem; margin: 0 0 2rem; font-weight: 300; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: .7em; padding: 1em 1.8em; border: 1px solid currentColor; border-radius: 999px; text-decoration: none; font: 500 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; transition: background .35s, color .35s; }
.btn:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.solid:hover { background: transparent; color: var(--fg); }
.btn.small { padding: .8em 1.3em; font-size: .7rem; }
.textlink { text-decoration: none; font: 500 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; border-bottom: 1px solid currentColor; padding-bottom: .5em; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem 2rem; margin-top: 2.2rem; }

/* nav: blends against whatever is behind it, so it works on black and on white */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 70; display: flex; justify-content: space-between; align-items: center; padding: 22px var(--gutter); color: #fff; mix-blend-mode: difference; transition: transform .55s var(--ease); }
.nav.hide { transform: translateY(-110%); }
.nav .logo img { height: 30px; width: auto; }
.nav .links { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.nav .links a:not(.btn) { text-decoration: none; font: 400 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; opacity: .85; }
.nav .links a:not(.btn):hover { opacity: 1; }
.nav .btn { color: #fff; }
.nav .btn:hover { background: #fff; color: #000; border-color: #fff; }
.menu-btn { display: none; font: 500 .72rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: #fff; }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80; background: #fff; mix-blend-mode: difference; transform: scaleX(0); transform-origin: 0 50%; }
.menu { position: fixed; inset: 0; z-index: 65; background: var(--fg); color: var(--bg); display: flex; flex-direction: column; justify-content: center; gap: 1.2rem; padding: var(--gutter); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
.menu a { font: 400 clamp(2.6rem, 12vw, 4.4rem)/1 var(--serif); text-decoration: none; letter-spacing: -.02em; }
body.menu-open .menu { opacity: 1; visibility: visible; }

/* hero */

.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-in { position: relative; z-index: 2; width: min(100%, 1280px); margin-inline: auto; }
.hero-beat { display: flex; align-items: center; padding: 120px var(--gutter) 90px; }
.hero-beat h1 { max-width: 12ch; }
.hero-beat .lead { max-width: 28rem; }
.scroll-hint { position: absolute; left: var(--gutter); bottom: 28px; z-index: 2; display: flex; align-items: center; gap: 14px; font: 500 .66rem/1 var(--sans); letter-spacing: .3em; text-transform: uppercase; }
.scroll-hint i { display: block; width: 1px; height: 46px; background: var(--fg); transform-origin: top; animation: hint 2.4s var(--ease) infinite; }
@keyframes hint { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* acts: tall section, pinned stage, scroll scrubs the scene */
.story { position: relative; height: 900vh; }
.beat { position: absolute; inset: 0; }
.js .beat { will-change: opacity, transform; }
.stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.act-copy { position: absolute; z-index: 2; left: var(--gutter); top: 50%; transform: translateY(-50%); width: min(34rem, calc(100% - 2 * var(--gutter))); }
.act-copy h2 { font: 400 clamp(2.5rem, 5.6vw, 5.6rem)/.98 var(--serif); letter-spacing: -.025em; margin: 0 0 1.6rem; }
.act-copy .body { max-width: 25rem; color: var(--mute); margin: 0 0 1.8rem; }
.keys { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; padding: 0; margin: 0; }
.keys li { border: 1px solid var(--hair); border-radius: 999px; padding: .55em 1.1em; font: 500 .64rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; }
/* text inverts while a white block passes beneath it */
.js [data-at] { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js [data-at].in { opacity: 1; transform: none; }

/* sections */
.sec { position: relative; padding: clamp(90px, 14vw, 200px) var(--gutter); }
.js [data-r] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js [data-r].in { opacity: 1; transform: none; }

.rows { margin-top: clamp(40px, 6vw, 90px); border-top: 1px solid var(--hair); }
.row { position: relative; display: grid; grid-template-columns: 5rem minmax(0, 1.2fr) minmax(0, 1fr) 3rem; gap: 1.5rem; align-items: center; width: 100%; text-align: left; text-decoration: none; padding: clamp(1.6rem, 3.4vw, 2.8rem) 0; border-bottom: 1px solid var(--hair); overflow: hidden; transition: color .45s, padding .45s var(--ease); }
.row::before { content: ""; position: absolute; inset: 0 calc(-1 * var(--gutter)); background: var(--fg); transform: scaleY(0); transform-origin: bottom; transition: transform .55s var(--ease); z-index: 0; }
.row > * { position: relative; z-index: 1; }
.row:hover::before, .row:focus-visible::before { transform: scaleY(1); }
.row:hover, .row:focus-visible { color: var(--bg); padding-left: 1.2rem; padding-right: 1.2rem; }
.row .no { font: 500 .72rem/1 var(--sans); letter-spacing: .22em; }
.row .name { font: 400 clamp(2.6rem, 6.4vw, 6rem)/1 var(--serif); letter-spacing: -.025em; }
.row .desc { color: var(--mute); transition: color .45s; }
.row:hover .desc { color: rgba(var(--fg-rgb), 0); color: var(--bg); opacity: .75; }
.row .arr { justify-self: end; font-size: 1.6rem; transition: transform .5s var(--ease); }
.row:hover .arr { transform: translateX(8px); }
.start { margin-top: clamp(40px, 6vw, 80px); display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem 3rem; }
.start .label { margin: 0; }
.start ul { display: flex; flex-wrap: wrap; gap: .6rem 2.4rem; list-style: none; margin: 0; padding: 0; }
.start button, .start a { font: 400 clamp(1.4rem, 2.4vw, 2rem)/1.2 var(--serif); text-decoration: none; border-bottom: 1px solid var(--hair); padding-bottom: .15em; transition: border-color .3s; }
.start button:hover, .start a:hover { border-color: var(--fg); }

.steps { list-style: none; margin: clamp(48px, 7vw, 100px) 0 0; padding: 3.2rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; position: relative; }
.steps::before, .steps::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--hair); }
.steps::after { background: var(--fg); transform: scaleX(var(--draw, 0)); transform-origin: left; }
.steps li { position: relative; }
.steps li::before { content: ""; position: absolute; top: -3.2rem; left: 0; width: 9px; height: 9px; margin-top: -4px; border-radius: 50%; background: var(--bg); border: 1px solid var(--fg); }
.steps .n { font: 500 .7rem/1 var(--sans); letter-spacing: .22em; opacity: .55; }
.steps h3 { font: 400 clamp(1.9rem, 3vw, 2.8rem)/1.05 var(--serif); letter-spacing: -.02em; margin: 1rem 0 .6rem; }
.steps p { color: var(--mute); margin: 0; max-width: 16rem; }
.agree { margin: clamp(48px, 7vw, 100px) 0 0; max-width: 46rem; font: 400 clamp(1.4rem, 2.4vw, 2rem)/1.35 var(--serif); }
.agree .label { display: block; margin-bottom: 1.2rem; font-family: var(--sans); }

.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 100px); align-items: end; }
.principles { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hair); }
.principles li { display: grid; grid-template-columns: 3rem 1fr; padding: 1.2rem 0; border-bottom: 1px solid var(--hair); font: 400 1.5rem/1.2 var(--serif); }
.principles span { font: 500 .66rem/2.6 var(--sans); letter-spacing: .22em; opacity: .55; }
.principles small { grid-column: 2; font: 300 .95rem/1.5 var(--sans); color: var(--mute); margin-top: .3rem; }

.contact .lead { margin-bottom: 0; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 5vw, 80px); margin-top: clamp(56px, 8vw, 120px); padding-top: 2.4rem; border-top: 1px solid var(--hair); }
.contact-grid .label { margin-bottom: 1.2rem; opacity: .6; }
.contact-grid > div > a { display: block; text-decoration: none; font: 400 clamp(1.4rem, 2.2vw, 1.9rem)/1.3 var(--serif); margin-bottom: .3rem; }
.contact-grid address { font-style: normal; color: var(--mute); margin-top: 1rem; }
.three { list-style: none; margin: 0; padding: 0; font: 400 1.3rem/1.5 var(--serif); }
.three li { padding: .3rem 0; border-bottom: 1px solid var(--hair); }
details { border-bottom: 1px solid var(--hair); padding: .8rem 0; }
summary { cursor: pointer; font: 400 1.2rem/1.4 var(--serif); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--sans); transition: transform .3s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--mute); margin: .6rem 0 0; font-size: .95rem; }

.site-footer { padding: 0 var(--gutter) 28px; }
.foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; padding: 48px 0; border-top: 1px solid var(--hair); }
.foot img { height: 30px; width: auto; margin-bottom: 1rem; }
.foot p { margin: 0; color: var(--mute); }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem 2rem; }
.foot a, .foot button { text-decoration: none; font: 400 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; opacity: .8; }
.foot a:hover, .foot button:hover { opacity: 1; }
.fine { display: flex; justify-content: space-between; font-size: .72rem; color: var(--mute); letter-spacing: .08em; }

/* slide-in panels (always black, so they read on the white sections they open from) */
.scrim { position: fixed; inset: 0; z-index: 85; background: rgba(0, 0, 0, .45); opacity: 0; pointer-events: none; transition: opacity .55s; }
.panel { position: fixed; z-index: 90; top: 0; right: 0; bottom: 0; width: min(620px, 100vw); background: #000; color: #fff; padding: clamp(28px, 5vw, 64px); overflow-y: auto; transform: translateX(104%); visibility: hidden; transition: transform .8s var(--ease), visibility 0s .8s; overscroll-behavior: contain; --fg: #fff; --fg-rgb: 255,255,255; --hair: rgba(255,255,255,.18); --mute: rgba(255,255,255,.62); --bg: #000; }
body.panel-open .scrim { opacity: 1; pointer-events: auto; }
.panel.open { transform: none; visibility: visible; transition: transform .8s var(--ease), visibility 0s; }
.panel .close { position: sticky; top: 0; float: right; margin: -.4rem 0 1rem 1rem; font: 500 .7rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; padding: .6rem 0 .6rem 1rem; }
.panel .display { font-size: clamp(2.6rem, 5vw, 4.4rem); margin-bottom: 1.4rem; }
.panel h3 { font: 500 .7rem/1 var(--sans); letter-spacing: .24em; text-transform: uppercase; margin: 2.4rem 0 .9rem; opacity: .6; }
.panel p { color: var(--mute); }
.panel .lead { color: #fff; max-width: none; }
.plist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hair); }
.plist li { padding: .75rem 0; border-bottom: 1px solid var(--hair); font: 400 1.25rem/1.3 var(--serif); }
blockquote { margin: 2.4rem 0 0; padding-top: 1.6rem; border-top: 1px solid var(--hair); font: italic 400 1.8rem/1.25 var(--serif); }
blockquote span { display: block; margin-top: 1rem; font: 300 .95rem/1.6 var(--sans); font-style: normal; color: var(--mute); }
.mini { list-style: none; margin: 1.6rem 0 0; padding: 0; counter-reset: m; border-top: 1px solid var(--hair); }
.mini li { counter-increment: m; padding: .9rem 0 .9rem 2.6rem; border-bottom: 1px solid var(--hair); position: relative; color: var(--mute); font-size: .95rem; }
.mini li::before { content: counter(m, decimal-leading-zero); position: absolute; left: 0; top: .95rem; font: 500 .66rem/1.6 var(--sans); letter-spacing: .2em; color: #fff; opacity: .6; }
.mini b { display: block; color: #fff; font: 400 1.3rem/1.2 var(--serif); }
.panel .btn.inv { background: #fff; color: #000; border-color: #fff; }
.panel .btn.inv:hover { background: transparent; color: #fff; }

/* privacy page */
.doc { padding: 160px var(--gutter) 100px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font: 400 clamp(3rem, 8vw, 6rem)/.95 var(--serif); letter-spacing: -.025em; margin: 0 0 2rem; }
.doc h2 { font: 400 1.8rem/1.2 var(--serif); margin: 2.6rem 0 .6rem; }
.doc p, .doc li { color: var(--mute); }
.doc a { color: var(--fg); }

/* responsive */
@media (max-width: 900px) {
  .nav .links { display: none; }
  .menu-btn { display: block; }
  .row { grid-template-columns: 3rem 1fr; }
  .row .desc { grid-column: 2; }
  .row .arr { display: none; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 3.2rem; }
  .about { grid-template-columns: 1fr; align-items: start; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .act-copy { top: auto; bottom: clamp(28px, 7vh, 64px); transform: none; }
  .act-copy h2 { font-size: clamp(2.2rem, 10vw, 3.4rem); margin-bottom: 1rem; }
  .act-copy .body { margin-bottom: 1.2rem; font-size: .98rem; }
  .story { height: 760vh; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .foot { flex-direction: column; align-items: flex-start; }
}

/* reduced motion: no pinning, no scrubbing, everything visible */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .story { height: auto; }
  .stage { position: relative; height: auto; }
  .stage canvas { display: none; }
  .beat { position: relative; min-height: 100svh; opacity: 1 !important; visibility: visible !important; transform: none !important; }
  .scroll-hint i { animation: none; }
  .progress { display: none; }
  * { transition-duration: .01ms !important; }
}

/* arrow: jump to the next finished scene */
.next { position: fixed; right: clamp(16px, 3vw, 40px); bottom: clamp(16px, 4vh, 40px); z-index: 60; width: 54px; height: 54px; border: 0; background: transparent; padding: 12px; cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .5s, transform .3s var(--ease); }
.next.show { opacity: 1; visibility: visible; }
.next svg { width: 100%; height: 100%; fill: #000; display: block; }
.next:hover { transform: translateX(4px); }
.next:focus-visible { outline: 2px solid #000; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .next { display: none; } }
@media (max-width: 820px) { .next { right: 8px; bottom: 8px; } }

.page-top { padding-top: clamp(150px, 20vw, 260px); }

.prev { position: fixed; right: calc(clamp(16px, 3vw, 40px) + 58px); bottom: clamp(16px, 4vh, 40px); z-index: 60; width: 54px; height: 54px; border: 0; background: transparent; padding: 12px; cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .5s, transform .3s var(--ease); }
.prev.show { opacity: 1; visibility: visible; }
.prev svg { width: 100%; height: 100%; fill: #000; display: block; transform: scaleX(-1); }
.prev:hover { transform: translateX(-4px); }
.prev:focus-visible { outline: 2px solid #000; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { .prev { display: none; } }
@media (max-width: 820px) { .prev { right: 66px; bottom: 8px; } }